Intake, feeding behaviour, digestibility, performance, carcass characteristics and meat quality of lambs fed different levels of semi-purified glycerine in the diet

Rezende, Leandro do Carmo; Heimbach, Natália da Silva; Ítavo, Camila Celeste Brandão Ferreira; Ítavo, Luís Carlos Vinhas; Morais, Maria da Graça; Brumatti, Ricardo Carneiro; Franco, Gumercindo Loriano; Petit, H.V.; Zeoula, Lúcia Maria; Silva, Jonilson Araújo da; Silva, Pâmila Carolini Gonçalves da; Melo, Gleice Kelli Ayardes de

doi:10.1080/1745039x.2017.1369816

Cited by 5 publications

(4 citation statements)

References 35 publications

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“…The amount of grass fed to animals can result in different REA values when animals are subjected to different finishing systems (Fernandes et al., 2008, 2010). REA values similar to those obtained in our study were previously reported for feedlot lambs (Ítavo, Ítavo, Esteves, et al, 2019; Ítavo et al., 2016; Rezende et al., 2017).…”

Section: Discussionsupporting

confidence: 92%

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Carcass traits and meat quality of Texel lambs raised in Brachiaria pasture and feedlot systems

Silva

Ítavo

et al. 2020

Animal Science Journal

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Increasing demands for healthy and eco-friendly products and processes concerned with animal well-being have stimulated consumer interest in pasture finishing systems for lambs (Jacques, Berthiaume, & Cinq-Marsa, 2011). This feeding system affects animal growth rate, carcass weight and yield, muscle: fat ratio, and meat lipid profile, which can reflect in sensorial characteristics such as flavor, odor, and softness (Carrasco et al., 2009). Blackburn, Snowder, and Glimp (1991) reported lower amounts of fat in the meat of exclusively pasture-raised lambs compared to animals submitted to concentrate-based diets, being an attractive attribute for consumers. However, the meat industry is interested in heavy carcasses of young animals with good musculature, providing good cut yield and a minimum fat layer to protect carcasses while in cold storage. Tropical pasture exclusive feeding, such as Brachiaria spp.

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Section: Discussionsupporting

confidence: 92%

“…REA values similar to those obtained in our study were previously reported for feedlot lambs (Ítavo, Ítavo, Esteves, et al, 2019;Ítavo et al, 2016;Rezende et al, 2017).…”

Section: Carcass Traitssupporting

confidence: 91%

Carcass traits and meat quality of Texel lambs raised in Brachiaria pasture and feedlot systems

Silva

Ítavo

et al. 2020

Animal Science Journal

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“…Além disso, isso sugere que níveis até 36% de glicerina bruta e 32,4% de glicerol não promoveram danos severos ou modificações no ambiente ruminal que prejudicassem o consumo. A não existência de diferenças significativas para os parâmetros avaliados (Tabela 2 e 3) sugerem que a sumarização consegue equiparar melhor os dados, considerando que algumas publicações que obtiveram diferenças significativas no CMS (Almeida et al, 2018; e outras não (Avila-Stagno et al, 2013;Rezende et al, 2017;Saleem & Singer, 2018).…”

Section: Resultsunclassified

Glicerina bruta ou glicerol na dieta de cordeiros: Uma metánalise – Desempenho, carcaça e carne

Brítez¹,

Leonardo²,

Duarte³

et al. 2019

Pubvet

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The intensification of biodiesel production inevitably generates the crude glycerine byproduct, which has little output for other uses mainly due to its purity. The inclusion of crude glycerin (GB) or glycerol (G) as an energy source, mainly as a corn substitute, may be a viable alternative in lamb finishing. In this sense, the objective of this study was to evaluate the levels of GB and G in the diet on lamb performance, carcass characteristics and meat quality through a metanalytic study. Twenty-four high impact articles were selected from research conducted in Brazil and abroad, involving 880 lambs distributed in 86 treatments. Data from both GB and G were grouped into levels. Based on the data contained in these articles were analyzed: initial live weight (PVI), slaughter live weight (PVA), dry matter intake (CMS), average daily gain (GMD), feed conversion (CA), carcass yield (RCQ), cold carcass yield (RCF), loin eye area (AOL), fat thickness (EG), saturated fatty acids (AGS), unsaturated (AGI), monounsaturated (AGMI), polyunsaturated (AGPI) , n6: n3 ratio, crude protein (CP), ether extract (EE), final pH and shear force in relation to control treatment (0% GB or G in MS). The obtained data were submitted to analysis of variance for linear and quadratic effect in each of the variables within all levels and, in the case of significance, regression analysis was performed. The performance, carcass characteristics and meat quality of lambs up to 36.0% of inclusion in the DM of GB and 32.4% of lambs diet did not have deleterious effect on them, and can be considered safe for human consumption. GB and G are presented as an alternative in the diet of finishing lambs, however, the strategy of use as energy substitute should come together with the study of the economic viability based on the price of corn, crude glycerin and demand of finished lambs in the region in question.

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“…Some studies about diet nutrition with meat quality were conducted in sheep [36][37][38][39][40][41][42][43][44][45]. Protes et al (2018) reported the decreased shear force of samples from lambs fed with soybean silage compared to sorghum.…”

Section: Discussionmentioning

confidence: 99%

Effects of Diets Containing Finger Millet Straw and Corn Straw on Growth Performance, Plasma Metabolites, Immune Capacity, and Carcass Traits in Fattening Lambs

Cui

Zhou

et al. 2020

Animals

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As the byproduct of finger millet, millet straw is a new forage resource of ruminants. The effect of the combined utilization of millet straw with corn straw on fattening lamb production is seldom reported. The purpose of this study was to investigate the effect of different proportions of millet straw instead of corn straw on the growth performance, blood metabolites, immune response, meat yield, and quality of fattening lamb. Sixty-three-month-old healthy Small-Tailed Han sheep crossbred rams with an average initial weight of 19.28 ± 2.95 kg were randomly divided into four groups, with three replicates in each group and five lambs in each replicate. The replacement ratio of millet straw of each group (Group I, II, III, IV) was 0%, 25%, 35%, 50% at the first stage (the first two months) and 0%, 20%, 28%, 40% in the second period (final two months), respectively. The experiment lasted 4 months 10 days of the pre-feeding period. The results indicated that the body weight gain and average daily gain of group Ⅱ were significantly higher than those of group Ⅰ and group Ⅳ (p < 0.05). The concentration of total protein in group Ⅳ was significantly increased compared to those of the other three groups at the second stage (p < 0.05), which proved that the protein synthesis metabolism capacity was improved with the addition of millet straw. The concentration of the plasma glutamic-oxalacetic transaminase and lactic dehydrogenase of lambs was significantly decreased in group Ⅱ (p < 0.05). The combination of millet straw and corn straw had no impact on the glucose, total cholesterol, and triglycerides metabolism (p > 0.05). There was no significant difference in the pre-slaughter weight, carcass weight, dressing percentage, loin-eye area, and GR value among the four groups (p > 0.05). Furthermore, the immune response and meat quality were not impacted by the different proportions of millet and corn forage diets. The results showed that the combined utilization of millet straw with corn straw could improve the blood biochemistry metabolism capability of fattening lambs. The replacement of 50% of corn straw with millet straw could improve the growth performance and be an application in fattening lamb production.

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Intake, feeding behaviour, digestibility, performance, carcass characteristics and meat quality of lambs fed different levels of semi-purified glycerine in the diet

Cited by 5 publications

References 35 publications

Carcass traits and meat quality of Texel lambs raised in Brachiaria pasture and feedlot systems

Carcass traits and meat quality of Texel lambs raised in Brachiaria pasture and feedlot systems

Glicerina bruta ou glicerol na dieta de cordeiros: Uma metánalise – Desempenho, carcaça e carne

Effects of Diets Containing Finger Millet Straw and Corn Straw on Growth Performance, Plasma Metabolites, Immune Capacity, and Carcass Traits in Fattening Lambs

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